Finding the Third Proportional to 404,762 and 603,860

Step by Step Solution

1. Step 1: Write the proportion equation
   404,762 : 603,860 = 603,860 : x
2. Step 2: Convert to fraction form
   404,762/603,860 = 603,860/x
3. Step 3: Cross multiply
   404,762x = 603,860 × 603,860
4. Step 4: Simplify right side
   404,762x = 364,646,899,600
5. Step 5: Solve for x
   x = 364,646,899,600/404,762
6. Step 6: Final answer
   x = 900,892.13